Build matrix improvements

- Add an initial MacOS 13 build to GitHub Actions.
- Generalize existing support for analysis builds without Python integration.

.github/workflows/main.yml

@@ -59,8 +59,14 @@ jobs:
           compiler: clang
           compiler_version: "14"
           python: 3.11
-          cmake_config: -DMATERIALX_DYNAMIC_ANALYSIS=ON
           clang_format: ON
+
+        - name: Linux_Clang_14_DynamicAnalysis
+          os: ubuntu-22.04
+          compiler: clang
+          compiler_version: "14"
+          python: None
+          cmake_config: -DMATERIALX_DYNAMIC_ANALYSIS=ON
           dynamic_analysis: ON
 
         - name: MacOS_Xcode_11_Python37
@@ -77,9 +83,9 @@ jobs:
           python: 3.9
 
         - name: MacOS_Xcode_14_Python311
-          os: macos-12
+          os: macos-13
           compiler: xcode
-          compiler_version: "14.2"
+          compiler_version: "14.3"
           python: 3.11
           test_shaders: ON
 
@@ -147,6 +153,7 @@ jobs:
         Add-Content $env:GITHUB_PATH "$PWD/vcpkg/installed/x64-windows/tools"
 
     - name: Install Python ${{ matrix.python }}
+      if: matrix.python != 'None'
       uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python }}
@@ -192,7 +199,7 @@ jobs:
       working-directory: build
 
     - name: Python Tests
-      if: matrix.dynamic_analysis != 'ON'
+      if: matrix.python != 'None'
       run: |
         python MaterialXTest/main.py
         python MaterialXTest/genshader.py
@@ -249,7 +256,7 @@ jobs:
       working-directory: build/render
 
     - name: Upload Installed Package
-      if: matrix.dynamic_analysis != 'ON'
+      if: matrix.python != 'None'
       uses: actions/upload-artifact@v3
       with:
         name: MaterialX_${{ matrix.name }}